Bard CH Series - Table 3 Field Supplied Controls - Sequence of Operation; Table 4 Wall Thermostats; Table 5 Humidity Controls; Table 6 CO 2 Controllers

Manual 2100-769A
Page 26 of 50
TABLE 4
Wall Thermostats
TABLE 5
Humidity Controls
Part Number Predominate Features
8403-038
(H600A1014)
SPDT switching, pilot duty 50VA @ 24V;
Humidity range 20-80% RH
8403-047
(H200-10-21-10)
Electronic dehumidistat SPST closes-
on-rise; Humidity range 10-90% with
adjustable stops
TABLE 6
CO
2
Controllers
Part Number Predominate Features
8403-096
Normally Open SPST relay closes-on-rise
24V dual wave length sensor. Default setting
950ppm, adjustable to 0-2000ppm
Default off setting 1000ppm, adjustable to
0-200 ppm can be calibrated
TABLE 7
Thermostat Wire Size
Transformer
VA
FLA Wire Gauge
Maximum
Distance
In Feet
55 2.3
18 gauge
16 gauge
14 gauge
12 gauge
60
100
160
250
Thermostat Predominant Features
8403-060
(1120-445)
3 Stage Cool, 3 Stage Heat
Programmable/Non-Programmable Electronic
HP or Conventional
Auto or Manual Changeover
Dehumidication Output
8403-081
2 Stage Cool, 2 Stage Heat
Programmable/Non-Programmable Electronic
HP or Conventional
Auto or Manual Changeover with Humidity and
Occupancy Sensor
BACnet
(Thermostat option only permissable for units
up to 12KW electric heat)
8403-083
2 Stage Cool, 2 Stage Heat
Programmable/Non-Programmable Electronic
HP or Conventional
Auto or Manual Changeover with Humidity (only)
BACnet
(Thermostat option only permissable for units
up to 12KW electric heat)
8403-090
(T6 Pro)
2 Stage Cool, 3 Stage Heat – Heat Pump
2 Stage Cool, 2 Stage Heat – Conventional
Programmable/Non-Programmable Electronic
Auto or Manual Changeover
8403-092
(T6 Pro Wi-Fi)
2 Stage Cool, 3 Stage Heat – Heat Pump
2 Stage Cool, 2 Stage Heat – Conventional
Programmable/Non-Programmable Electronic
Auto or Manual Changeover
Wi-Fi
Fan Only Energize G
Cooling Mode 1st Stage Energize G, Y1
Cooling Mode 2nd Stage Energize G, Y1, Y2
Heat Pump Heating 1st Stage Energize G, Y1, B/W1
Heat Pump Heating 2nd Stage Energize G, Y1, Y2, B/W1
HP Heating FL + EH
(Up to 10KW)
Energize G, W2, Y1, Y2,
B/W1
Heat Bank #1 (EH Only) Energize G, W2
Emergency Heat
(HP operation is negated for
this condition)
Energize, G, W2, W3
Ventilation Energize A
TABLE 3
Field Supplied Controls – Sequence of Operation