Tab 12 – Carrier 50RQ900291 User Manual
Page 4
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ROOM
THERMOSTAT
BASE UNIT
CONTROL BOX
EMERGENCY HEAT
CONTROL BOX
HR
— Heater Relay
OAT - Outdoor Air Thermostat
Field Splice
------------- Factory Wiring
-------------Field Wii ing
NOTES:
1
Remove jumper wire between HI and W2 in emergency heat control box for
all opeiations
2
Remove brown wire with market ITl from C in base unit control box and field
splice to PI in emergency heat control box for all operations
3
For 1 OAT operation, remove yellow wire with marker pT|ftom terminal 11
in base unit control box and field splice to HI in emergency heat control box
4
For 2 OAT operation, repeat step in Note 3 and remove violet wire from
terminal 11 in base unit control box and field splice to H2 in emergency heat
control box
Fig. 5 — Emergency Heat Wiring Connection Diagram, 50RQ,PQ008/010
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Tab 12
Form 50RQ-6SI New
Printed in U S A
3-77
PC 11 1
Catalog No 535—089
Book
1
Tab
5a