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COBRA™ Energy Recovery Units
48/50HJ004-014 with 62AQ060-300
Single-Package Rooftop Units
with Energy Recovery Capability
Installation, Start-Up,
and Service Supplement
SAFETY CONSIDERATIONS
IMPORTANT: This is a supplemental instruction for the
48/50HJ and the 62AQ Installation, Start-Up and Service Installation and servicing of air-conditioning equipment can
Instructions. It is not intended to take the place of either be hazardous due to system pressure and electrical compo-
instruction or to b
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energy recovery section. The supplemental equipment support is INSTALLATION not required. The standard rooftop unit roof curb is capable of Step 1 — Inspect Shipment — File a claim with the supporting both the rooftop unit section and the energy recovery shipping company if shipment is incomplete or damaged. See section. Assemble and install accessory roof curb in accordance Fig. 1 for a typical shipping packaging for a COBRA™ energy with instructions shipped with curb. See Fig. 2A-4. Install in
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Deck pans 2" Return support. 49 15/16" Only used on some applications. 78 1/4" 3 1/4 DUCT OPENING SIZES R1 Supply = 15 11/16" x 31 3/8" Deck pans R1 = 15 5/16" x 29 1/16" R2 14" R2 = 15 5/16" x 9" Supply 14" 2" R1 = Return from building to HVAC 110 11/16" R2 = Return from building to 62AQ 49 15/16" SIDE VIEW END VIEW Fig. 2B — COBRA™ Energy Recovery Unit Full-Perimeter Roof Curb — 48/50HJ008-014 with 62AQ200,300 If electric control power or gas service is to be routed Curb should be level. This
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ROOF CURB CONNECTOR D ALT A UNIT SIZE BC GAS POWER CONTROL ACCESSORY PKG. ACCY. DRAIN HOLE 3 3 1 1′-2″ CRBTMPWR001A00 /4″ [19] NPT /4″ /2″ CRRFCURB001A00 [356] 1 48/50HJ [19] NPT [12.7] CRBTMPWR002A00 1 /4″ [31.7] 004-007 11 3 2′-0″ 1 1′-9 /16″ 1′-4″ 1 /4″ /2″ CRRFCURB002A00 3 CRBTMPWR003A00 / ″ [19] NPT 4 [610] [551] [406] [44.5] 1 [12.7] NPT /2″ 3 [12.7] /4″ 1 CRBTMPWR004A00 1 / ″ [31.7] 4 NOTES: [19] NPT 1. Roof curb accessory is shipped disassembled. 2. Insulated panels. 3. Dimensions in [ ]
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D ALT ROOF CURB UNIT SIZE CONNECTOR “A” BC DRAIN GAS POWER CONTROL ACCESSORY 48/50HJ PKG. ACCY. HOLE CRRFCURB003A00 1′-2″ [356] 3 3 1 CRBTMPWR001A00 /4″ [19] NPT 008-014 /4″ /2″ CRRFCURB004A00 2′-0″ [610] 1 [19] NPT [12.7] NPT CRBTMPWR002A00 1 /4″ [31.7] 7 15 3 1 2′-8 /16″ 1′-10 /16″ 1 /4″ /2″ 3 CRBTMPWR003A00 / ″ [19] NPT 4 NOTES: [827] [583] [44.5] 1 [12.7] NPT /2″ 1. Roof curb accessory is shipped disassembled. 3 [12.7] NPT /4″ 1 2. Insulated panels: 1-in. thick polyurethane foam, CRBTMPWR00
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DIMENSIONS (in.) EQUIPMENT SUPPORT UNIT SIZE PART NUMBER AB C 4” CRAQSUPT001A00 36.9 40 8 to 14 3-6 Ton CRAQSUPT002A00 36.9 40 14 to 24 A CRAQSUPT003A00 49.7 54 8 to 14 1 1 7 /2-12 /2 Ton CRAQSUPT004A00 49.7 54 14 to 24 HVAC UNIT ENERGY RECOVERY SECTION C” SCREW SUPPORT IN PLACE PAD ADJUSTABLE CURB EQUIPMENT ROOF SUPPORT 10” x B (SEE CHART) PROTECTIVE RUBBER PAD (EPDM) Fig. 4 — Supplemental Energy Recovery Section Equipment Support Unit may be installed directly on wood flooring or on Step 4 — R
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7 REAR RIGHT SIDE LEFT SIDE FRONT RIGHT SIDE FRONT LEFT SIDE Fig. 5A — Base Unit Dimensions — COBRA™ Energy Recovery Unit — 48/50HJ004-007 with 62AQ060,100
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8 Fig. 5A — Base Unit Dimensions — COBRA™ Energy Recovery Unit — 48/50HJ004-007 with 62AQ060,100 (cont)
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9 Fig. 5B — Base Unit Dimensions — COBRA™ Energy Recovery Unit — 48/50HJ008-014 with 62AQ200,300
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10 Fig. 5B — Base Unit Dimensions — COBRA™ Energy Recovery Unit — 48/50HJ008-014 with 62AQ200,300 (cont)
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MAX WEIGHT A B C lb kg in. mm in mm in. mm 48HJ004 w/62AQ060 890 404 95.6 2428.20 57.38 1457.30 33.35 847 48HJ004 w/62AQ100 905 411 95.6 2428.20 57.38 1457.30 33.35 847 48HJ005 w/62AQ060 900 409 95.6 2428.20 57.38 1457.30 33.35 847 48HJ005 w/62AQ100 915 415 95.6 2428.20 57.38 1457.30 33.35 847 48HJ006 w/62AQ060 920 418 95.6 2428.20 57.38 1457.30 33.35 847 48HJ006 w/62AQ100 935 425 95.6 2428.20 57.38 1457.30 33.35 847 48HJ007 w/62AQ060 995 452 95.6 2428.20 57.38 1457.30 42.12 1070 48HJ007 w/62AQ1
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MAX WEIGHT A B C lb kg in. mm in. mm in. mm 48HJ008 w/62AQ200 1310 595 77.42 1966.5 66.50 1689.10 42.12 1070 48HJ008 w/62AQ300 1355 616 77.42 1966.5 66.50 1689.10 42.12 1070 48HJ009 w/62AQ200 1315 597 77.42 1966.5 66.50 1689.10 42.12 1070 48HJ009 w/62AQ300 1360 618 77.42 1966.5 66.50 1689.10 42.12 1070 48HJ012 w/62AQ200 1400 636 77.42 1966.5 66.50 1689.10 50.12 1273 48HJ012 w/62AQ300 1445 657 77.42 1966.5 66.50 1689.10 50.12 1273 48HJ014 w/62AQ200 1440 655 77.42 1966.5 66.50 1689.10 50.12 1273 4
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NOTE: For wire runs up 50 ft, use no. 18 AWG (American Wire control box. See Fig. 10. The raceway provides the UL Gage) insulated wire (35 C minimum). For 50 to 75 ft, use no. required clearance between high- and low-voltage wiring. 16 AWG insulated wire (35 C minimum). For over 75 ft, use no. NOTE: A humidistat and a temperature sensor can be used in 14 AWG insulated wire (35 C minimum). All wire larger than place of a thermidistat for PremierLink™ units. no. 18 AWG cannot be directly connected
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Table 1B — Electrical Data (COBRA™ Energy Recovery 50HJ004-007 Units with 62AQ060) HEAT POWER SUPPLY SINGLE DISCONNECT SIZE* HEATER NOMINAL IFM CONV 62AQ POINT BOX UNIT CRHEATER FUSE OR V-PH-Hz TYPE OUTLET FLA CRSINGLE FLA MCA MOCP FLA LRA ---A00 HACR BKR ---A00 NONE —/— 34.8/ 34.8 40/40 —— 35/ 35 135/135 001 15.9/18.3 35.7/ 38.8 40/45 —— 35/ 37 135/135 002 23.5/27.1 45.2/ 49.7 50/50 —— 43/ 47 135/135 STD NO 9.2 003 31.4/36.3 55.1/ 61.2 — 60/ 70 004 52/ 58 135/135 004 37.9/43.8 63.2/ 70.5 — 70/
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Table 1B — Electrical Data (COBRA™ Energy Recovery 50HJ004-007 Units with 62AQ060) (cont) HEAT POWER SUPPLY SINGLE DISCONNECT SIZE* HEATER NOMINAL IFM CONV 62AQ POINT BOX UNIT CRHEATER FUSE OR V-PH-Hz TYPE OUTLET FLA CRSINGLE FLA MCA MOCP FLA LRA ---A00 HACR BKR ---A00 NONE — 17.9 20 —— 21 75 006 7.2 18.8 25 —— 21 75 STD YES 9.2 008 13.8 27.1 30 —— 21 75 009 16.8 30.8 35 — 025 32 75 008+008 27.7 44.4 45 — 025 44 75 NONE — 15.6 20 —— 16 84 006 7.2 17.1 20 —— 16 85 50HJ005 460-3-60 HIGH STATIC NO
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Table 1B — Electrical Data (COBRA™ Energy Recovery 50HJ004-007 Units with 62AQ060) (cont) HEAT POWER SUPPLY SINGLE DISCONNECT SIZE* HEATER NOMINAL IFM CONV 62AQ POINT BOX UNIT CRHEATER FUSE OR V-PH-Hz TYPE OUTLET FLA CRSINGLE FLA MCA MOCP FLA LRA ---A00 HACR BKR ---A00 NONE — 20.1 25 —— 20 110 006 7.2 20.1 25 —— 20 111 008 13.8 26.2 30 —— 20 111 HIGH STATIC NO 9.2 009 16.8 29.9 30 —— 29 111 008+008 27.7 43.5 45 — 025 41 111 50HJ006 008+009 30.7 47.2 50 — 025 44 111 460-3-60 (cont) NONE — 22.8 2
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Table 1C — Electrical Data (COBRA™ Energy Recovery 48HJ004-007 Units with 62AQ100) POWER SUPPLY DISCONNECT SIZE* NOMINAL IFM CONV 62AQ UNIT FUSE OR V-PH-Hz TYPE OUTLET FLA MCA FLA LRA HACR BKR STD NO 15.1 40.7/40.7 45/45 42/42 161/161 208/230-1-60 STD YES 15.1 46.7/46.7 50/50 48/48 166/166 STD NO 15.1 33.6/33.6 40/40 36/36 150/150 STD YES 15.1 39.6/39.6 45/45 41/41 155/155 208/230-3-60 HIGH STATIC NO 15.1 34.5/34.5 40/40 37/37 180/180 48HJ004 HIGH STATIC YES 15.1 40.5/40.5 45/45 42/42 184/184 ST
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Table 1D — Electrical Data (COBRA™ Energy Recovery 50HJ004-007 Units with 62AQ100) HEAT POWER SUPPLY SINGLE DISCONNECT SIZE* HEATER NOMINAL IFM CONV 62AQ POINT BOX UNIT CRHEATER FUSE OR V-PH-Hz TYPE OUTLET FLA CRSINGLE FLA MCA MOCP FLA LRA ---A00 HACR BKR ---A00 NONE —/— 40.7/ 40.7 45/45 —— 42/ 42 161/161 001 15.9/18.3 42.5/ 45.5 50/60 —— 42/ 44 161/161 002 23.5/27.1 52.0/ 56.5 — 60/ 70 004 50/ 54 161/161 STD NO 15.1 003 31.4/36.3 61.9/ 67.9 — 70/ 70 004 59/ 65 161/161 004 37.9/43.8 70.0/ 77.3
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Table 1D — Electrical Data (COBRA™ Energy Recovery 50HJ004-007 Units with 62AQ100) (cont) HEAT POWER SUPPLY SINGLE DISCONNECT SIZE* HEATER NOMINAL IFM CONV 62AQ POINT BOX UNIT CRHEATER FUSE OR V-PH-Hz TYPE OUTLET FLA CRSINGLE FLA MCA MOCP FLA LRA ---A00 HACR BKR ---A00 NONE — 20.9 25 —— 25 88 006 7.2 22.2 30 —— 25 88 STD YES 15.1 008 13.8 30.5 35 — 025 25 88 009 16.8 34.2 40 — 025 35 88 008+008 27.7 47.7 50 — 025 48 96 NONE — 18.6 25 —— 19 97 006 7.2 20.5 25 —— 19 98 50HJ005 460-3-60 HIGH STATI
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Table 1D — Electrical Data (COBRA™ Energy Recovery 50HJ004-007 Units with 62AQ100) (cont) HEAT POWER SUPPLY SINGLE DISCONNECT SIZE* HEATER NOMINAL IFM CONV 62AQ POINT BOX UNIT CRHEATER FUSE OR V-PH-Hz TYPE OUTLET FLA CRSINGLE FLA MCA MOCP FLA LRA ---A00 HACR BKR ---A00 NONE — 24.9 30 —— 28 119 006 7.2 24.9 30 —— 28 119 008 13.8 30.9 35 — 025 28 119 STD YES 15.1 009 16.8 34.6 40 — 025 36 119 008+008 27.7 48.1 50 — 025 48 119 008+009 30.7 51.9 60 — 025 52 119 NONE — 23.0 30 —— 24 123 006 7.2 23.0
