General Considerations; Table 5. Field Wiring Reference Table - Honeywell Q7300H System Engineering

T7300F/Q7300H SERIES 2000 COMMERCIAL THERMOSTATS AND COMMUNICATING SUBBASES

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).
Recommended
Wire Wire Size
Function (Minimum)
Thermostat Inputs: 18 AWG
wire. (1.0 sq mm) five
wire cable bundle.
Thermostat Outputs/Power:
wire. 14 to 18 AWG
(2.0 to
1.0 sq mm).
LonWorks 22 AWG
Bus (Non- (0.34 sq mm)
Plenum).
Power 14 AWG
Wiring. (2.0 sq mm)
63-4365

Table 5. Field Wiring Reference Table.

Specification
Construction or Requirement
Standard thermostat
wire.
NEC Class 2, 140°F Level IV, 140°F
(60°C) rating. (60°C) rating.
Twisted pair solid Level IV, 140°F
conductor, (60°C) rating.
nonshielded or
Echelon® approved
cable.
Any pair nonshielded NEC Class II,
(use heavier wire for 140°F (60°C)
longer runs). rating.
18
Vendor Wire Type
Honeywell AK3725
(US only), typical or
equivalent.
Honeywell AK3752
(US only), typical or
equivalent.
Honeywell AK3781 Refer to E-bus
(one twisted pair), Wiring guidelines
AK3782 (two twisted Users Guide
pair). 74-2865-1 for
maximum length.
Honeywell AK3754 Limited by line-loss
(14 AWG) twisted effects on power
pair), AK3909 consumption.
(14 AWG) single
conductor or
equivalent.
Distance
(Maximum)