MASTERTEMP
®
125 Pool and Spa Heater Installation and User’s Guide Rev. B 8/14
18
Section 3. Installation Instructions
(*) For service access, it is advisable to allow for
sufficient clearance on at least one door panel.
15 cm
(6 in)
15 cm
(6 in)
15 cm
(6 in)
15 cm*
(6 in)
*
Figure 10.
HEATER CLEARANCES — General Requirements
INDOOR INSTALLATION (U.S.) OR OUTDOOR SHELTER (CANADA)
7KHIROORZLQJFOHDUDQFHVPXVWEHPDLQWDLQHGIURPFRPEXVWLEOHVXUIDFHV
TOP...............................6 in. (15 cm)
EXHAUST SIDE ...........6 in. (15 cm)
HEADER SIDE .............6 in. (15 cm)
DOOR PANELS† .........6 in. (15 cm)
1RWH)RUVHUYLFHDFFHVVLWLVDGYLVDEOHWRDOORZIRUVXI¿FLHQWFOHDUDQFHRQ
DWOHDVWRQHGRRUSDQHO7KHKHDWHULVGHVLJQFHUWL¿HGE\&6$,QWHUQDWLRQDO
IRULQVWDOODWLRQRQFRPEXVWLEOHÀRRULQJ)RULQVWDOODWLRQRQFDUSHWLQJWKH
KHDWHUPXVWEHPRXQWHGRQDPHWDORUZRRGSDQHOWKDWH[WHQGVDWOHDVWWKUHH
LQFKHVFPEH\RQGWKHEDVHRIWKHKHDWHU,IWKHKHDWHULVLQVWDOOHGLQD
FORVHWRUDOFRYHWKHHQWLUHÀRRUVKDOOEHFRYHUHGE\WKHSDQHO2QDQRXWGRRU
VKHOWHULQVWDOODWLRQWKHH[KDXVWGLVFKDUJHVLQWRDYHQWSLSH2ULHQWWKHKHDWHU
VRWKDWWKHYHQWSLSHGRHVQRWLQWHUIHUHZLWKDGMXVWPHQWRIWKHRSHUDWLQJ
FRQWUROV7KHFRQWUROSDQHOORFDWHGRQWKHWRSSDQHOFDQEHURWDWHGWRDQ\
RIWKHWKUHHVLGHVRIWKHKHDWHUIRUHDV\DFFHVV+RZHYHUWKHFRQWUROSDQHO
PXVWQRWEHORFDWHGRQWKHVLGHZKHUHWKHYHQWLVORFDWHGVHH)LJXUH
OUTSIDE VENT COVER REMOVAL
7KHKHDWHULVVXSSOLHGIURPWKHIDFWRU\ZLWKDEXLOWLQVWDFNOHVVRXWVLGHYHQWIRURXWGRRU
LQVWDOODWLRQ5HPRYHWKHRXWVLGHYHQWFRYHUIRURXWGRRUVKHOWHULQVWDOODWLRQ
COMBUSTION AIR SUPPLY
)RULQGRRULQVWDOODWLRQWKHKHDWHUORFDWLRQPXVWSURYLGH
VXI¿FLHQWDLUVXSSO\IRUSURSHUFRPEXVWLRQDQGYHQWLODWLRQ
RIWKHVXUURXQGLQJDUHD
7KHPLQLPXPUHTXLUHPHQWVIRUWKHDLUVXSSO\VSHFLI\WKDW
WKHURRPLQZKLFKDKHDWHULVLQVWDOOHGVKRXOGEHSURYLGHG
ZLWKWZRSHUPDQHQWDLUVXSSO\RSHQLQJVRQHZLWKLQ
LQFKHVFPRIWKHFHLOLQJWKHRWKHUZLWKLQLQFKHV
FPRIWKHÀRRUIRUFRPEXVWLRQDLULQDFFRUGDQFHZLWK
WKHODWHVW HGLWLRQ RI$16, = RUWKH 1DWLRQDO )XHO
*DV FRGH WKH &6$ % 1DWXUDO *DV DQG 3URSDQH
,QVWDOODWLRQ&RGHVDVDSSOLFDEOHDQGDQ\ORFDOFRGHVWKDW
PD\DSSO\7KHVHRSHQLQJVVKDOOGLUHFWO\RUWKURXJKGXFW
FRQQHFWWRRXWGRRUDLU
1RWH)RULQGRRULQVWDOODWLRQVZKHUHFRPEXVWLRQ
DLUPLJKW EH LQVXI¿FLHQW VHH ³'LUHFW$LU ,QWDNH
'XFWZLWKLQFK39&3LSH,QGRRU,QVWDOODWLRQ´
RQSDJH
Table 3.
Air Supply Requirements Guide
for MasterTemp
®
125 Heater
Minimum Net Free Open Area for Each Opening*
(Square Inches/Centimeters)
Model
All Air From Inside Building All Air From Outside Building
Combustion Vent Combustion Vent
125
200 sq. in.
1290 sq. cm.
200 sq. in.
1290 sq. cm.
50 sq. in.
323 sq. cm.
50 sq. in.
323 sq. cm.
*
Area indicated is for one of two openings; one at floor level and one at the ceiling.