Carrier 48/50P030-100 user manual

Summary of the content on the page No. 1

48/50A020-060, 48/50P030-100,
48/50Z030-105
CO Sensor Accessory
2
Installation Start-Up and
Service Instructions
Part No. CRCBDIOX002A00
CONTENTS The unit utilizes a 4 to 20-mA analog signal. The ComfortLink
controller uses this signal to control the economizer damper
SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . 1
position and ensure adequate level of outside air in the
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
building. This i

Summary of the content on the page No. 2

INSTALLATION 48/50P and 48/50Z Units — The CO sensor is to be 2 installed in the predrilled holes located in the power exhaust 48/50A Units — The CO sensor is to be installed in the 2 section. See Fig. 5-11. predrilled holes located above the auxiliary control box (see 1. Shut off unit power supply. Fig. 2). 2. Open the power exhaust section doors/panels to gain 1. Shut off unit power supply. access. 2. Open the hinged auxiliary control box access door and 3. Remove the sensor and cover from the

Summary of the content on the page No. 3

7. Restore power to unit. PL18 (48/50A ONLY) CO CO2 SENSOR SENSOR 2 AND BRA AND BRACKET CKET HOLES MUST LINE-UP BRACKET (48/50A) SENSOR MOUNTING PLATE Fig. 6 — CO Bracket for 48/50P030-050 and 2 COVER SCREW 48/50Z030-050 Units Side View (Economizer with SENSOR COVER Power Exhaust) Fig. 3 — CO Sensor Assembly 2 CO2 SENSOR AND BRACKET Fig. 4 — Harness Wiring Connections Fig. 7 — CO Bracket for 48/50P030-050 and 2 48/50Z030-050 Units (Economizer Only) CO SENSOR 2 AND BRACKET CO SENSOR 2 AND BR

Summary of the content on the page No. 4

START-UP After applying power, the CO sensor will enter a warm-up 2 mode. Warm-up duration will be from 1 to 10 minutes. The warm-up duration will be shorter in warmer temperatures and longer in cooler temperatures. During warm-up, the signal output will be 4 mA. Once the unit has warmed up, the voltage or current output will be set up to indicate the CO level. The 2 display will show a steady reading 1 minute later. Configuring the ComfortLink™ Controller — CO2 SENSOR The CO sensor is default