Honeywell COMMERCIAL PROGRAMMABLE T7350 User Manual

Page 35

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T7350 COMMERCIAL PROGRAMMABLE THERMOSTAT

35

63-4368

Table 21. T7350H Network Variable Summary. (Continued)

Nv Name

L

ON

S

PEC

™ Ref Name

Class

Description

nciRcvHrtBt

Controller Receive Time

CONFIG

Receive heartbeat time (seconds) for all failure detect heartbeat

network variables in this node.

0: Disable failure (Default).

300: Typical value in Honeywell system.

nciSetpoints

Setpoint Config

CONFIG

Heating and Cooling SetPoints in Celsius engineering units.

Occupied cool set-point.

23.9 C: (Default)

Standby cool set-point.

25.6 C: (Default).

Unoccupied cool set-point.

29.4 C: (Default).

Note:

It is required that:

UnoccCl>=OccCl>=OccHt+1.11 C.

UnoccCl>=StdByCl>=StdByHt+1.11 C.

If the above criteria is not met, then the nciSetpoints received over

the L

ON

W

ORKS

network will not be accepted, and all the current

controlling set points will be restored from the thermostat.

Occupied heat set-point.

21.1 C: (Default).

Standby heat set-point.

19.4 C: (Default).

Unoccupied heat set-point.

12.8 C: (Default).

It is required that:

UnoccHt<=OccHt<=OccCl-1.11 C.

UnoccHt<=StdByHt<=StdByCl-1.11 C.

If the above criteria is not met, then the nciSetpoints received over

the L

ON

W

ORKS

network will not be accepted, and all the current

controlling set points will be restored from the thermostat.

nciSndHrtBt

Controller Send Time

CONFIG

Send heartbeat time (seconds) for all Guaranteed periodic update

heartbeat network variables in this node.

0: Disable periodic update (Default).

55: Typical value in Honeywell system.

nroPgmVer

Program Version

CONST

The Honeywell program identifier and subbase firmware version

number.

nroT7350Ver

T7350 Version

CONST

Detailed T7350 cover assembly firmware version information.

nviApplicMode

Application Mode In

IN

Thermostat System mode switch:

0: HVAC_AUTO

1: HVAC_HEAT

3: HVAC_COOL

6: HVAC_OFF

8: HVAC_EMERG_HEAT

Others: Considered to be HVAC_AUTO.

Failure detect and mains power up value: HVAC_AUTO.

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