Nomenclature - Zehnder Rittling VS Series Installation, Operation And Maintenance Manual

Nomenclature

VS series, complete unit
1, 2, 3 4 5, 6 7
VHN M 09 A
Unit type
VHN = Vertical Stack Water Source Heat Pump complete
Model
M = Master
S = Slave
A = Stand Alone
Nominal capacity
09 = 9,000 BTU/Hr
12 = 12,000 BTU/Hr
15 = 15,000 BTU/Hr
18 = 18,000 BTU/Hr
24 = 24,000 BTU/Hr
30 = 30,000 BTU/Hr
36 = 36,000 BTU/Hr
Voltage
A = 208-230V/60/1
B = 277V/60/1
Blower/motor options
A = Standard/PSC
B = High static/PSC
C = Standard/ECM
D = High static/ECM
Options
X = None (standard)
S = With sight and sound baffle
Controls
S = Microprocessor controls
C = Microprocessor and customer supplied DDC controls
L = Microprocessor and Lon Network Communication
B = Microprocessor and BACnet network communication
N = Microprocessor and N2 network communication
Power termination
X = No disconnect
1 = Disconnect switch
Supply air/risers
NA = None/back DA = Front, right/back
NB = None/right DB = Front, left/back
NC = None/left DC = Left, right/back
SA = Front/back DD = Front, top/back
SB = Right/back DE = Front, left/right
SC = Left/back DF = Back, left/right
SD = Top/back DG = Front, back/right TG = Front, top, left/right
SE = Left/right DH = Left, top/back
SF = Front/right DJ = Back, right/left
SG = Back/right DK = Front, right/left
SH = Top/right DL = Front, back/left
SJ = Right/left DM = Right, top/back
SK = Back/left DN = Front, top/left
SL = Front/left DO = Back, top/left
SM = Top/left DP = Right, top/left
DQ = front, top/right
DR = Back, top/right
DS = Left, top/right
8 9 10 11 12, 13
A X S X DB
TA = Front, left, right/back
TB = Front, top, right/back
TC = Front, top, left/back
TD = Top, left, right/back
TE = Front, back, left/right
TF = Front, back, top/right
TH = Top, back, left/right
TJ = Front, back,right/left
TK = Front, back, top/left
TL = Front, top, right/left
TM = Top, back, right/left
14 15 16 17 18
1 D A X A
19 20 21 22 23
1 1 A A –
Special option codes
AA = Standard
Placeholder
Revision level
A = Rev. 1
Supply air size
X = None
A = 10" x 8" (09-18)
B = 12" x 10" (09, 12, 24-36)
C = 14" x 12" (15, 18)
D = 16" x 14" (24-36)
Cabinet
1 = 88"
3 = Custom
Air filter
1 = Washable
2 = 1" throwaway
Hose kit (3')
X = None
A = 1/2"
B = 3/4"
Y strainer
X = None
A = 1/2" Y strainer (09, 12)
Zone valve
X = None
A = 1/2" 24VAC zone valve (09, 12)
B = 3/4" 24VAC zone valve (15-36)
Flow regulator
X = None
A = 1/2", 1.5 GPM (09, 12)
B = 1/2", 2.0 GPM (09, 12)
C = 1/2", 2.5 GPM (09, 12)
D = 1/2", 3.0 GPM (09, 12)
E = 3/4", 2.0 GPM (15, 18)
F = 3/4", 2.5 GPM (15, 18)
G = 3/4", 3.0 GPM (15-24)
H = 3/4", 3.5 GPM (24, 30)
I = 3/4", 4.0 GPM (24, 30)
J = 3/4", 5.0 GPM (24-36)
K = 3/4", 6.0 GPM (24-36)
L = 3/4", 7.0 GPM (30, 36)
M = 3/4", 8.0 GPM (30, 36)
N = 3/4", 9.0 GPM (36)
O = 3/4", 10.5 GPM (36)
Heat exchanger
1 = Copper coax with air coil
Nomenclature
24, 25
AA
1