23
LOW-VOLTAGE CONTROL CONNECTIONS (ALL
EXCEPT CRHEATER128B00-129B00)
Pull the low-voltage control leads from the heater module(s) —
VIO and BRN (two of each if two modules are installed; iden-
tify for module no. 1) — to the 4-pole terminal board TB4 lo-
cated on the heater bulkhead to the left of heater 1. Connect the
VIO lead from heater to terminal TB4-1. Connect the VIO lead
from heater 2 to terminal TB4-2. Connect both BRN leads to
terminal TB4-3. See Fig. 44.
Fig. 44 — Accessory Electric Heater Control
Connections (HP-2, Size 06, 575V Only)
LOW-VOLTAGE CONTROL CONNECTIONS (CRHEATER
128B00-129B00)
Pull the low-voltage control leads from the heater module(s) —
ORN, VIO and BRN — to the 4-pole terminal board TB4 lo-
cated on the heater bulkhead to the left of heater 1. Connect the
ORN lead to terminal TB4-1. Connect the VIO lead to terminal
TB4-2. Connect the BRN lead to terminal TB4-3. See Fig. 45.
The 50HC units use a various number of control wires, colors,
and terminal boards depending on voltage and unit size. See
Fig. 46-48 and the unit wiring diagram for proper placement.
Fig. 45 — Accessory Electric Heater Control
Connections (AC-1 Size 08-14, AC-2 Size 08-12)
(CRHEATER128B00, 129B00 only)
Fig. 46 — Accessory Electric Heater Control
Connections (HP-1 Except Size 12 and 121, HP-2
Except Size 12)
LCTB
CONTL
BOARD
ORN
BRN
Field
Connection
s
L
S
: Prim
a
ry Limit
S
witch
2
3
12
3
1
VIO
ORN
VIO
BRN
BRN
VIO
2
TB4
VIO
HR
3
HR1
ORN
BRN
Elec Htr
ORN
For
s
implicity, not
a
ll control
wiring intern
a
l to the electric
he
a
ter
s
i
s
s
hown.
DEFRO
S
T
BOARD
ORN
BRN
Field
Connection
s
E-HEAT
P
3
-
3
3
1
ORN
BRN
VIO
BRN BRN
VIO
TB4
VIO
HR2
HR1
BRN
VIO
BRN
Elec Htr
HR1: On He
a
ter 1 in Po
s
ition #1
HR2: On He
a
ter 2 in Po
s
ition #2 (if in
s
t
a
lled)
Summary of Contents for WeatherMaster 50HC04
Page 32: ...32 Fig 63 RTU Open Overlay for Economizer Wiring ...
Page 33: ...33 Fig 64 VFD Overlay for W2770 Controller Wiring ...
Page 86: ...86 Fig C 50HC A07 PAC Control Diagram 208 230 3 60 460 575 3 60 APPENDIX D WIRING DIAGRAMS ...
Page 91: ...91 Fig H 50HC D12 PAC Control Diagram 208 230 3 60 460 575 3 60 APPENDIX D WIRING DIAGRAMS ...
Page 93: ...93 Fig J 50HC A04 A06 PAC Power Diagram 208 230 1 60 APPENDIX D WIRING DIAGRAMS ...
Page 95: ...95 Fig L 50HC A07 PAC Power Diagram 208 230 3 60 460 3 60 575 3 60 APPENDIX D WIRING DIAGRAMS ...
Page 100: ...100 Fig Q 50HC D11 PAC Power Diagram 208 230 3 60 APPENDIX D WIRING DIAGRAMS ...
Page 101: ...101 Fig R 50HC D11 PAC Power Diagram 460 3 60 575 3 60 APPENDIX D WIRING DIAGRAMS ...
Page 103: ...103 Fig T 50HC D14 PAC Power Diagram 208 230 3 60 APPENDIX D WIRING DIAGRAMS ...
Page 104: ...104 Fig U 50HC D14 PAC Power Diagram 460 3 60 575 3 60 APPENDIX D WIRING DIAGRAMS ...
Page 124: ...124 Fig AO PremierLink System A04 A06 Wiring Diagram APPENDIX D WIRING DIAGRAMS ...
Page 125: ...125 Fig AP RTU Open System Control A04 A06 Wiring Diagram APPENDIX D WIRING DIAGRAMS ...
Page 126: ...126 Fig AQ PremierLink System A07 D14 Wiring Diagram APPENDIX D WIRING DIAGRAMS ...
Page 127: ...127 Fig AR RTU Open A07 D14 Wiring Diagram APPENDIX D WIRING DIAGRAMS ...