Orion System HB Controller - Manual (Page 12)

Zone
Zone
Installation & Wiring
12 HB Controller Technical Guide
GND
V10
C2
C1
A2
TB3
A1
W3
W2
W1
Y2
Y1
G
RH
R
P10
POWER
R67
R66
C30
SAT
TB1
Multi-Stage Thermostat
2-Cool / 3-Heat
(24VAC)
W3 W2 W1 Y1 Y2 RH RC C G
Dehumidistat (24VAC)
Normally Open
DH DH
24VAC Power Supply
24VAC to Economizer
Clogged Filter Indicator
(Outputs 24VAC)
24VAC
GND
Note:
The economizer will not have 24VAC to the actuator
without installing a jumper wire between A1 and A2.
If a device needs to disable the economizer, install a
normally closed contact between A1 and A2.
If a device needs to enable the economizer, install a
normally open contact between A1 and A2.
HB Controller Terminal Block
C
(GND)
Multi-Stage T-stat Wiring For HB Units
With 2 Stage Cooling & 3 Stage Heating
Figure 7: Multi-Stage T-Stat Wiring for HB Units with 2-Stage Cooling & 3-Stage Heating
Controller Installation & Wiring