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Greenheck Microprocessor Controller (475595 IOM) TAP v2.10 April 2014 (RVE, ERCH-01, ERT-01) User Manual

Page 25

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T

HIS

SCREEN

ALLOWS

THE

USER

TO

OVERRIDE

THE

HOT

GAS

REHEAT

OPERATION

.

This screen only appears if On/Off hot gas reheat option was provided with the
unit.

When the Hot Gas Reheat Loop Control is in the MANUAL mode, us the arrow
buttons to turn the hot gas reheat ON or OFF.

HotGas Reheat Override

Hot Gas Reheat

Loop

Control: Auto

Reheat:

OFF

T

HIS

SCREEN

ALLOWS

THE

USER

TO

OVERRIDE

THE

HOT

GAS

REHEAT

OPERATION

.

This screen only appears if modulating hot gas reheat option was provided with
the unit.

When the Hot Gas Reheat Loop Control is in the MANUAL mode, use the arrow
buttons to vary the reheat output.

HotGas Reheat Override

Hot Gas Reheat

Loop

Control: Auto

Reheat:

100%

T

HIS

SCREEN

ALLOWS

THE

USER

TO

OVERRIDE

THE

POSITION

OF

THE

OUTDOOR

AIR

DAMPER

.

This screen only appears if the unit is equipped with a modulating outdoor air
damper.

0% Open = Outdoor air damper closed
100% Open = Outdoor air damper fully open

OA/RA Damper Override

Outdoor Damper

Loop

Control:

Auto

Open: 0%

T

HIS

SCREEN

ALLOWS

THE

USER

TO

OVERRIDE

THE

SUPPLY

FAN

VFD

SPEED

.

This screen only appears if the unit is equipped with a supply fan VFD controlled
by the microprocessor.

The Speed is the proportional percentage of the analog output from the controller
to the VFD.

0% Speed = Min Speed (determined by VFD)
100% Speed = Max Speed (determined by VFD)
(See unit Installation and Operation Manual for VFD programming).

Supply VFD Override

Supply Fan VFD

Loop

Control:

Auto

Speed: 0%

(0%=Min Speed by VFD)

T

HIS

SCREEN

ALLOWS

THE

USER

TO

OVERRIDE

THE

EXHAUST

FAN

VFD

SPEED

.

This screen only appears if the unit is equipped with a exhaust fan VFD controlled
by the microprocessor.

The Speed is the proportional percentage of the analog output from the controller
to the VFD.

0% Speed = Min Speed (determined by VFD)
100% Speed = Max Speed (determined by VFD)
(See unit Installation and Operation Manual for VFD programming).

Exhaust VFD Override

Exhaust Fan VFD

Loop

Control:

Auto

Speed: 0%

(0%=Min Speed by VFD)

25

DDC Controller for Tempered Air Products

®