Carrier 50TC*17 Series Service And Maintenance Instructions page 14

CONDENSER COIL
OUTDOOR AIR
COMPRESSOR
= CLOSED VALVE
= OPEN VALVE
= 3-WAY VALVE
Fig. 18 − Hot Gas Reheat Mode (Reheat 2) – Humidi−MiZerR System
Point Name
Humidistat/LTLO DI, 24VAC
Thermostat W1 DI, 24VAC
Econ Y1 DI, 24VAC
Thermostat G DI, 24VAC
24V Power (J1) 24VAC
24V Power (J2) 24 VAC
Econ Y2 DI, 24VAC
COMP1 DO, 24VAC
IFM DO, 24VAC
COMP2 DO, 24VAC
LSV DO, 24VAC
DSV1 DO, 24VAC
NOT LSV DO, 24VAC
DSV2 DO, 24VAC
LEGEND
COMP — Compressor
CTB — Control Terminal Board
DI — Discrete Input (switch)
DO — Discrete Output (switch)
DSV — Discharge (gas) Solenoid Valve
ECON — Economizer
FPT — Freeze Protection Thermostat
IFM — Indoor (supply) Fan Motor
LSV — Liquid Solenoid Valve
LTLO — Low Temperature Lockout
REHEAT — Connection Strip REHEAT (on CTB)
RH2.x
VALVE
RH1.x
VALVE
Table 2 – Humidi−MiZerR Reheat Control Board I/O
Connection
Type
Pin Number
J1A - 1 (1)
J1A - 2 (2)
J1A - 6 (6)
J1B - 1 (7)
J1B - 3 (9)
J2 - 1
J1B - 5 (11)
J1A - 5 (5)
J1B - 4 (8)
J1B - 4 (10)
J2 - 2
J2 - 3
J2 - 4
J2 - 5
HUMIDI-MIZER COIL
EVAPORATOR COIL
INDOOR AIR
Unit
Connection
LTLO
CTB - REHEAT - 4
CTB - REHEAT - 5
CTB - REHEAT - 1
CTB - R
CTB - R
CTB - REHEAT - 7
CTB - HEAT - 6
CTB - REHEAT - 2
CTB - REHEAT - 8
FTP (BLK)
DSV
14
TXV
VALVE
C07124A
Note
2 - circ only
2 - circ only
2 - circ only