Chromalox PK405-18 user manual

Summary of the content on the page No. 1

®
Chromalox
SERVICE REFERENCE
Installation Instructions
DIVISION 4 SECTION AR
and
SALES
REFERENCE (Supersedes PK405-17) PK405-18
RENEWAL PARTS IDENTIFICATION
161-049287-001
DATE MARCH, 2004
AR (Single Phase) Industrial Thermostat
Table A – Specifications
Sensing Bulb
Temperature Approx. Capillary Maximum
NEMA I Range Dia. Length Length A.C. Rating
3-3/8”
Model* (˚F) Style (In.) (In.) (Ft.) (Amps.)
3-1/8”
AR-115 7
AR-115A 0–100˚F 5 0.375 4-3/8 2
AR-115C 12 1

Summary of the content on the page No. 2

GENERAL NOTICE: Type AR Thermostats are designed for temperature con- Process Temperature Differential – is variation in controlled trol service only. Because they do not fail safe, they should not be process temperature between maximum, when thermostat turns OFF used for temperature limiting duty. and minimum, when thermostat turns ON. This spread in temperature may be minimized by: 1. Making sure control is mounted to vertical surface (see Step 1, Mounting section). The system designer is resp

Summary of the content on the page No. 3

WIRING Figure 5 Figure 6 Figure 7 Figure 8 Figure 9 LT Models – Note: Electrical connections should be made with generous loops A. Entrance for wiring is provided by two 3/4” NPT conduit of wire – approximately 6” per lead. holes in end of enclosure. Wiring to control enclosure should 3. Replace cover and tighten screws. be in moisture-resistant conduit. 4. Replace dial knob and dial knob cover. (NEMA-I models only). B. Remove cover by removing four hexhead screwbolts (see 5. Note: If load amp

Summary of the content on the page No. 4

RENEWAL PARTS IDENTIFICATION LT-Models NEMA-I Models 3 2 1 4 080-510512-001 152-025660-004 Enclosure 027-057548-001 Mounting Bracket 213-018509-002 119-114623-003 Pack Gland 1 2 3 4 Thermostat Thermostat Model Sub-Assembly Cover Thermostat Base Knob AR-115 300-048518-005 080-024763-001 015-013819-001 169-019605-002 AR-115A 300-048518-012 080-024763-001 015-013819-001 169-019605-002 AR-115C 300-048518-019 080-024763-001 015-013819-001 169-019605-002 AR-214 300-048518-001 080-024763-001 015-013819