York Y34 User Manual
246653-YTG-E-0108
12
Johnson Controls Unitary Products
TABLE 3: STANDARD GAS HEATING CAPACITIES
G
AS
H
EAT
O
PTION
A
VAILABLE
ON
M
ODELS
I
NPUT
C
APACITY
(MBH)
1
1.
Heating capacity is only staged on CV models. VAV models use only one stage at full capacity.
O
UTPUT
C
APACITY
(MBH)
2
2.
Blower motor heat not included.
G
AS
R
ATE
, C
U
. F
T
./
HR
.
3
3.
Based on a heat content of 1075 Btu/Ft.
3
1
ST
S
TAGE
T
OTAL
1
ST
S
TAGE
T
OTAL
N3
Y32/Y33/Y34
267
267
213
247
247
N5
Y32/Y33/Y34
267
533
426
247
495
N8
Y34 ONLY
267
4
4.
Unit Control Board with 3 heating outputs only. For all other Unit Control Boards the 1st Stage is 533 MBH.
800
638
247
742
TABLE 4: TEMPERATURE RISE
TON
MODULES
1
2
3
25
5-35
25-55
-
30
5-35
20-50
-
40
5-30
10-45
25-55
TABLE 5: MINIMUM HEATING CFM
TON
MODULES
1
2
3
25
5,644
7,183
-
30
5,644
7,901
-
40
6,584
8,779
13,169
TABLE 6: MODULATING GAS HEATING CAPACITIES
G
AS
H
EAT
O
PTION
A
VAILABLE
ON
M
ODELS
I
NPUT
C
APACITY
(MBH)
STEPS
O
UTPUT
C
APACITY
(MBH)
1
1.
Output Capacity at Full Fire.
G
AS
R
ATE
, C
U
. F
T
./
HR
.
M
INIMUM
M
AXIMUM
M
INIMUM
M
AXIMUM
D3
2
2.
Modulating Gas Heat available on CV models only.
Y32/Y33/Y34
69
267
6
213
64
247
D5
2
Y32/Y33/Y34
69
533
12
426
64
495
D8
2
Y34 ONLY
69
800
17
638
64
744