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8

052917

Pre-Release 052917

PSB / VFD       POWER INPUT: 110-127/1/50-60

052917

HE-Z ZONING
120V

RESET

+

+

F1

OAS

SAS

SAS

OAS

M1

M4

M6

M2

ZONE 3
MOTOR

M1

M4

M6

M2

ZONE 2
MOTOR

M1

M4

M6

M2

ZONE 1
MOTOR

C

R

24 VAC

T’FORMER

C

R

 

SYSTEM

W2/E

Y1

Y2

RH
RC

G

W1/B

C

O

RC / RH

LINK

OAS

LED 2

Y
C

W

R

G

O/B

ONE

ZONE

Y
C

W

R

G

O/B

ZONE 2

T’STAT

ZONE1
T’STAT

Y
C

W

R

G

O/B

ZONE 3

T’STAT

STATUS

LED 1

SAS

LED 3

ZONE 3

LED 4

FAN

LED 7

Y2

LED 8

ZONE 1

LED 6

ZONE 2

LED 5

W1 / B

LED 10

Y1

LED 9

W2 / EM

LED 11

2

R

3

R

4

R

2ND STAGE HEAT

DIFFERENTIAL

47

5

40

33

26

19

12

HIGH TEMP

LIMIT

110

120

130

140

150

160

170

LOW TEMP

LIMIT

52

49

46

43

40

37

34

FUTURE USAGE

J1

TIMER

OAS

STAGING

42

35

28

21

14

7

OFF

R

1

NORM

EM

Y
C

W

R

G

O/B

ONE

ZONE

EMERGENCY 

HEAT SWITCH

R
G

Y

O/B

W/E

C

R
G

Y

O/B

W/E

C

T’

S

T

A

T

T’

S

T

A

T

M1

M4

M6

M2

M1

M4

M6

M2

D

A

M

P

STATUS

J1

J1

A  [ 

0

 - 1 ]

A  [ 0 - 

2

 ]

R
G

Y

O/B

W/E

C

R
G

Y

O/B

W/E

C

T’

S

T

A

T

T’

S

T

A

T

Z

O

N

E

5

Z

O

N

E

4

D

A

M

P

4

D

A

M

P

4

4

3
2
1

3
2
1

3
2
1

3
2
1

Expansion Zone Control 

SUPPLIED WITH 4 ZONE OPTION ONLY

Zone Control

ZONE 4

DAMPER

ZONE 2

DAMPER

3
2
1

3
2
1

ZONE 3

DAMPER

ZONE 1

DAMPER

ZONE 4
MOTOR

O

  < RV >  B

GAS 

 < FAN >  HYDRONIC

OFF  

< SAS >  ON

OFF 

 < 50% RULE >  ON

OAS  < STAGING >  

TIMER

HC 

 < TSTATS >  HP

HP  < SYSTEM >  

OTHER

DF  < SYSTEM >  

CONV

1    2    3    4    5    6    7    8    9   10   11  12

L/L1 N/L2

U

V

W

PE

P

0

I

Parameter

Value

WEG CONTROLLER

VFD

110-120 VAC

W1 W2 C

R Y2 Y1 D O/B

G

R

Y1

W2

W1

FZ

FZ

Y2

C

F1

AUXILIAR

Y RELA

Y

(HEA

TING)

L

L

L2

L2

N

L1 L1

A3

A2

A1

L

N

COOL

HEA

T

F

AN

LED

L1

J8

ON

OFF

H2
TIMER

AUTO

MAN

H3
MODE

ON

OFF

H4
DELAY

J5

J7

J4

U2

J3

R8

R7

R6

G

C

H

F

318.29 Pcbw-001sep-040

J2

N

C

Ri

Ro

H1

J9

J1

LED

L2

PSB CIRCUIT BOARD

24v OUTPUT

EMERGENCY

 DISCONNECT

C

110-127 VAC

110-127/1/50-60

110-127v POWER CABLE

L

N

Ground

WH

BK

G

LINE IN

    

EMERGENCY DISCONNECT 

   C

 - 24 VAC COMMON

   C

 - 24 VAC COMMON

 Ro

 -

 

24 VAC OUTPUT

  

Ri

 - 24 VAC INPUT

    AUXILIARY HEATING RELAY

   N

 - NEUTRAL 

   L

 - LINE VOLTAGE

 

A1

 - AUXILIARY NORMALLY OPEN

 

A2 

- AUXILIARY NORMALLY CLOSED

 

A3

 - AUXILIARY COMMON

    

24 VAC OUTPUT CONNECTIONS

 FZ

 - FREEZE STAT

 FZ 

- FREEZE STAT

 W1 

- HEATING (W1) 24 VAC OUTPUT

 W2 

- HEATING (W2) 24 VAC OUTPUT

 Y2 

-  CONDENSING UNIT 24 VAC OUTPUT

 Y1 

-  CONDENSING UNIT 24 VAC OUTPUT

   C

 -  24 VAC COMMON

   R

 -  24 VAC OUTPUT

    THERMOSTAT CONNECTIONS
  R

 - 

 

24 VAC OUTPUT

W1

 - FIRST STAGE HEAT

W2

 - SECOND STAGE HEAT 

             (OR SINGLE STAGE)

 Y1

 - FIRST STAGE COOLING

 Y2 

- SECOND STAGE COOLING

             (OR SINGLE STAGE)

   C

 - 24 VAC COMMON

   G

 - THERMOSTAT FAN SWITCH

   D

 - PRIORITY (RUNS AT W SPEED)

O/B

 - HEATPUMP REVERSING

MOTOR LEADS PLUG

(3 PHASE)

CAUTION

FOR SINGLE STAGE

COOLING OPERATION 

USE Y2 OTHERWISE THE 

FREEZE STAT WILL BE

 BYPASSED

CAUTION

FOR SINGLE STAGE

COOLING OPERATION 

USE Y2 OTHERWISE THE 

FREEZE STAT WILL BE

 BYPASSED

Equipment

Ground

  TRIM POTS (COOLING, HEATING, CONSTANT FAN)

 

 

 

-

  

 ATMOSPHERIC PRESSURE

 

 + 

 DUCT PRESSURE

  TRIM POTS (COOLING, HEATING, CONSTANT FAN)

 

 

 

-

  

 ATMOSPHERIC PRESSURE

 

 + 

 DUCT PRESSURE

24v / 20va

TRANSFORMER

Black

White

Orange

Black

Orange

White

Red

Red

Black

Black Wire (-)

+

-

Red Wire (+)

0-10 VDC

Equipment

Ground

Summary of Contents for HE-Z

Page 1: ...cool Automatic Heat Cool Changeover Automatic changeover from any thermostat allowing for individual zone comfort Status LED A green STATUS LED pulses as a steady heart beat to indicate Micro processor activity and 24v power is present System LEDs Function specific colored LED s illuminate to indicate the HVAC system mode of operation and active zone identification Damper LEDs Green LEDs labelled ...

Page 2: ...C Start up Delay Timer 3 minutes fixed Short Cycle Timer 3 minutes fixed Change Over Timer 4 minutes fixed Opposing Call Timer 20 minutes fixed Staging Timer OFF or 7 42 min Adj Supply Air Limit Timer 3 minutes fixed Purge Delay Timer 90 seconds fixed Programming and Setting up your HVAC System Review each pin setting explanation of each dip switch function and choose your settings for correct ope...

Page 3: ...at to indicate proper Micro processor system status The OAS LED illuminates solid to indicate that the Outdoor Temperature has fallen below the chosen set point The OAS LED will blink rapidly to indicate a shorted or open Outdoor Air Sensor circuit The SAS LED illuminates solid to indicate that the Supply Temperature has exceeded the chosen set point on either the HIGH TEMP LIMIT or the LOW TEMP L...

Page 4: ... SWITCH GAS FAN HYDRONIC OFF SAS ON OFF 50 RULE ON OAS STAGING TIMER HC TSTATS HP HP SYSTEM OTHER DF SYSTEM CONV TIMER OAS STAGING 42 35 28 21 14 7 OFF R1 OFF 7 42 minutes or 7 42 degrees F Any Setting below 7 is OFF OFF DO NOT set to OFF when using OAS Emergency Heat Switch Isolated HVAC System Terminal Block Future Supply Air and Outdoor Air Sensor Connections 24v 4 0 amp Fuse STAGING TIMER W2 E...

Page 5: ...kage includes pre wired zone panel and 2 3 or 4 collars each w power open close dampers and actuators installed These are currently available pre installed on our HE Z Series Fan Coils Order HE Z fan coil unit from our Standard Price List and add these multi outlet tops to your order as a separate part The plenum take off outlets are 7 in height and adds to the height of the 32 fan coil The fan co...

Page 6: ...is no call for constant fan heat or cooling If one of the zones is calling for constant fan and the others are not the zones that are not calling will close In the event of a zone calling for heat or cooling the zone dampers regardless if a zone is calling for constant fan will close the non calling heat cool zones The actuators have been pre adjusted with approximately 10 bleed through this allow...

Page 7: ...UT ZONE 2 THERMOSTAT G R O B Y W E C C W Y R G O B ZONE 2 THERMOSTAT INPUT 3 2 1 M6 M4 M2 M1 ZONE 2 DAMPER 3 2 1 M6 M4 M2 M1 ZONE 3 DAMPER 3 2 1 M6 M4 M2 M1 ZONE 1 DAMPER 24V INPUT 4 0A PROTECTED R C R C G Y2 Y1 O W1 B W2 E RH RC C ZONE 1 THERMOSTAT C W Y R G O B ZONE 1 THERMOSTAT INPUT G R O B Y W E C ONE ZONE HVAC SYSTEM HI VELOCITY PSB CIRCUIT BOARD Dampers default to the OPEN position After a ...

Page 8: ... B G R Y1 W2 W1 FZ FZ Y2 C F1 AUXILIARY RELAY HEATING L L L2 L2 N L1 L1 A3 A2 A1 L N COOL HEAT FAN LED L1 J8 ON OFF H2 TIMER AUTO MAN H3 MODE ON OFF H4 DELAY J5 J7 J4 U2 J3 R8 R7 R6 G C H F 318 29 Pcbw 001sep 040 J2 N C Ri Ro H1 J9 J1 LED L2 PSB CIRCUIT BOARD 24v OUTPUT EMERGENCY DISCONNECT C 110 127 VAC 110 127 1 50 60 110 127v POWER CABLE L N Ground WH BK G LINE IN EMERGENCY DISCONNECT C 24 VAC ...

Page 9: ...LAY J5 J7 J4 U2 J3 R8 R7 R6 G C H F 318 29 Pcbw 001sep 040 J2 N C Ri Ro H1 J9 J1 LED L2 PSB CIRCUIT BOARD 24v OUTPUT EMERGENCY DISCONNECT C 1 2 3 4 5 6 7 8 9 10 11 12 L L1 N L2 U V W PE P 0 I Parameter Value WEG CONTROLLER VFD 200 240 VAC MOTOR LEADS PLUG 3 PHASE CAUTION FOR SINGLE STAGE COOLING OPERATION USE Y2 OTHERWISE THE FREEZE STAT WILL BE BYPASSED CAUTION FOR SINGLE STAGE COOLING OPERATION ...

Page 10: ... TERMINAL 4 AUXILIARY HEATING RELAY TIMER ACTIVATES CIRCUIT FOR 5 MINUTES EVERY 24 HOURS STARTING WHEN POWER IS APPLIED TO THE UNIT 5 LED 1 INDICATOR LIGHT FOR FAN SPEED OPERATION AND AUXILIARY RELAY OPERATION SEE BELOW FOR LIGHT OPERATION SEQUENCE 6 SEE INSTALLATION MANUAL FOR MORE DETAILED WIRING DIAGRAMS 7 8 FAILURE TO SET PROPER AIR FLOW AND OR OPERATION OF THE SYSTEM MAY RESULT IN DAMAGE TO E...

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