Feature
Notes
Configuration Tables Wiring

   

Air Handing Unit Heat Recovery Submodule

with 3 x Triac Outputs (3T version)
with 2 x 0-10V DC Outputs (AOP version)

Configuration Tables

Doorway / InSite Code

Label

Description

Units

Default Value

Range

C1
SACT
Sensor Action; for future use; set to 0 for this application
-
0
0 to 3
C2
HPRD
Heating mode period or minimum on time; Stroke Time of valve or Minimum-On Time for TP output when in Heating mode (set to same value as C4)
Secs/10
Depends on driver
1 to 240
C3
HDLY
Interlock delay in Heating mode, for pumped runaround coils
0: Valve opens with pump (no delay)
Negative value: Valve opens before pump starts
Positive Value: Valve opens after pump starts
Mins
0
-60 to 60
C4
CPRD
Cooling mode period or minimum on time; Stroke Time of valve or Minimum-On Time for TP output on driver when in Cooling mode (set to same value as C2)
Secs/10
Depends on driver
1 to 240
C5
CDLY
Interlock delay Cooling mode, for pumped runaround coils
0: Valve opens with pump (no delay)
Negative value: Valve opens before pump starts
Positive Value: Valve opens after pump starts
Mins
0
-60 to 60
C6
FPRD
Not used in this application; set to 10
Secs/10
10
1 to 240
C7
INMD
Input Mode for input terminals 3 and 4 ‘temp a’
0: Additional temperature input for max, min, ave using SACT
1: External occupation (input linked = Occupied) AND
with internal Occupation
2: External occupation (input linked = Occupied) OR
with internal Occupation
3: External Occupation signal only
4: Alarm input
5: Pump alarm
-
0
0 to 5
C8
MIND
Minimum demand; used for pump output:
0: Pump runs for whole of AHU Occupancy period
>0: Pump runs only when Energy Recovery demand exceeds MIND
%
4
0 to 100
C9
FPRT
Frost mode
0: no action
1: open valve
2: open valve and run pump
-
1
0 to 2
C10
MANL
Manual level , from Doorway
%
0
-100 to 100
C11
ALRM
Alarm mode
0: Ignore alarms
1: Report alarms
2: Report alarms, shut down all outputs on alarm
3: Report alarms, shut down all outputs on STOP alarm or sensor fail alarm
-
1
0 to 3
C12
ALST
Alarm state; not used, set to 0 for this application
-
0
0 to 1
C13
MXVA
Maximum Voltage output a (for AOP types only)
V
10
0 to 10
C14
MNVA
Minimum Voltage output a (for AOP types only)
V
0
0 to 10
C15
MXVB
Maximum Voltage output b (for AOP types only)
V
10
0 to 10
C16
MNVB
Minimum Voltage output b (for AOP types only)
V
0
0 to 10

Monitoring Parameters

Doorway / InSite Code

Label

Description

Units

Default Value

Range

I1 (C30)
FRST
Frost Protection Mode
-
-
0 to 1
I2 (C31)
OCCD
Occupied
-
-
0 to 1
I4 (C33)
EXTI
External Input
-
-
0 to 1
I5 (C34)
COOL
Cool Mode
-
-
0 to 1
I6 (C35)
RLYA
Triac A Status
-
-
0 to 1
I7 (C36)
RLYB
Triac B Status
-
-
0 to 1
I8 (C37)
RLYC
Triac C Status
-
-
0 to 1
W1 (C38)
AUTO
Automatic/Manual Status
-
-
0 to 1
W2 (C39)
OVRD
Override
-
-
0 to 1
W5 (C42)
HAND
Manual Hand mode
-
0
0 to 1
W6 (C43)
POT
Potentiometer fitted to this board
-
0
0 to 1
W7 (C44)
SERV
Service Pin Msg (to Doorway +InSite, self resetting)
-
-
0 to 1
 
 
W1 and W2 used together with Doorway Auto/Manual dialog box
 
 
 
S1* (C50)
TEMP
Measured off coil temperature
Deg C
-
0 to 35
S2* (C51)
HCOP
Controller output
%
-
-100 to 100
S3 (C52)
REQD
Controller current setpoint
Deg C
-
0 to 35
S4 (C53)
HDMD
Heating Demand to valve or damper (shows position)
%
-
0 to 100
S5 (C54)
CDMD
Cooling Demand to valve or damper (shows position)
%
-
0 to 100
S6 (C55)
FDMD
Fan or Pump Demand
%
-
0 to 100
S7 (C56)
EOUT
Enthalpy of Outside Air
Kj/Kg
-
0 to 20000
S8 (C57)
ERTN
Enthalpy of Return Air
Kj/Kg
-
0 to 20000
 
 
* 24 hour plots available for these values by default
 
 
 
 
 
Plotting interval and plotted variable changeable via Doorway or InSite
 
 
 
SC Controls Ltd
PO Box313
Wadhurst
East Sussex
TN5 6JL
phone 08707 606040
fax 08707 606041
e-mail seachange@sccontrols.co.uk
http:// www.seachange.co.uk