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T7300F/Q7300H SERIES 2000 COMMERCIAL THERMOSTATS AND COMMUNICATING SUBBASES
63-4365 18
General Considerations
Table 5 lists wiring types, sizes and distances for the T7300F/Q7300H and Excel 10 products. The Q73000H accepts 14
through 22 AWG (2.0 to 0.34 sq. mm wire).
Table 5. Field Wiring Reference Table.
Wire
Function
Recommended
Wire Size
(Minimum) Construction
Specification
or Requirement Vendor Wire Type
Distance
(Maximum)
Thermostat
wire.
Inputs: 18 AWG
(1.0 sq mm) five
wire cable bundle.
Standard thermostat
wire.
Honeywell AK3725
(US only), typical or
equivalent.
Thermostat
wire.
Outputs/Power:
14 to 18 AWG
(2.0 to
1.0 sq mm).
NEC Class 2, 140°F
(60°C) rating.
Level IV, 140°F
(60°C) rating.
Honeywell AK3752
(US only), typical or
equivalent.
LonWorks
Bus (Non-
Plenum).
22 AWG
(0.34 sq mm)
Twisted pair solid
conductor,
nonshielded or
Echelon® approved
cable.
Level IV, 140°F
(60°C) rating.
Honeywell AK3781
(one twisted pair),
AK3782 (two twisted
pair).
Refer to E-bus
Wirin
g
g
uidelines
Users Guide
74-2865-1 for
maximum length.
Power
Wiring.
14 AWG
(2.0 sq mm)
Any pair nonshielded
(use heavier wire for
longer runs).
NEC Class II,
140°F (60°C)
rating.
Honeywell AK3754
(14 AWG) twisted
pair), AK3909
(14 AWG) sin
g
le
conductor or
equivalent.
Limited by line-loss
effects on power
consumption.