OYL MANUFACTURING
COMPANY SDN. BHD.A Member of the Hong Leong Group Malaysia
TECHNICAL BULLETIN
O.Y.L. MANUFACTURING COMPANY SDN. BHD.(112531-W)Jalan Pengapit 15/19, P.O. Box 7072, 40702 Shah Alam, Selangor Darul Ehsan, Malaysia.Tel : 603-55194922 (Gen. Line), 55194707, 55192396, 55192082, 55192493, 55194502 & 55106971 Telex: MA 338521 OYL Fax : 603-55106980,55101567, 55103760.
DATE 1/10/2003 FROM OYLM Service
OUR REF. NO. TB012M03 TO All MCQUAY Distributors
BRAND MCQUAY
MODEL MDB125B/BR, MMC125B/BR,
MDB125C/CR,
MDB075/100/125/150D/DR,
MMC075/100/125/150D/DR.
PRODUCT
TYPE
Ducted Blower and Single Split
Condensing Unit
A) PURPOSE OF CHANGE
Long piping application
B) DETAILS OF CHANGES
In order to cater for long piping connection for more than 100 ft, it is necessary to reduce the piping size
to increase the velocity of refrigerant in order to bring back the compressor oil.
C) IMPLEMENTATION DATE
Starting from second week of October.
D) CHANGE OF PARTS (IF ANY)
N/A
E) REMARKS
Please refer to the attachment for details.
OYL MANUFACTURING
COMPANY SDN. BHD.A Member of the Hong Leong Group Malaysia
TECHNICAL BULLETIN
O.Y.L. MANUFACTURING COMPANY SDN. BHD.(112531-W)Jalan Pengapit 15/19, P.O. Box 7072, 40702 Shah Alam, Selangor Darul Ehsan, Malaysia.Tel : 603-55194922 (Gen. Line), 55194707, 55192396, 55192082, 55192493, 55194502 & 55106971 Telex: MA 338521 OYL Fax : 603-55106980,55101567, 55103760.
F) ATTACHMENT :
Proposed Change:
Suction pipe size
Indoor Units
Model Now Proposed Change
MDB075D/DR 1- 1/8” 1”
MDB100D/DR 1- 3/8” 1- 1/8”
MDB125B/BRMDB125C/CRMDB150D/DR
1- 3/8” 1- 1/4”
MDB150D/DR 1 - 5/8” 1- 3/8”
Outdoor Units
Model Now Proposed Change
MMC075D/DR 1- 1/8” 1”
MMC100D/DR 1- 3/8” 1- 1/8”
MMC125B/BRMMC125D/DR 1- 3/8” 1- 1/4”
MMC150D/DR 1 - 5/8” 1- 3/8”
OYL MANUFACTURING
COMPANY SDN. BHD.A Member of the Hong Leong Group Malaysia
TECHNICAL BULLETIN
O.Y.L. MANUFACTURING COMPANY SDN. BHD.(112531-W)Jalan Pengapit 15/19, P.O. Box 7072, 40702 Shah Alam, Selangor Darul Ehsan, Malaysia.Tel : 603-55194922 (Gen. Line), 55194707, 55192396, 55192082, 55192493, 55194502 & 55106971 Telex: MA 338521 OYL Fax : 603-55106980,55101567, 55103760.
Indoor UnitOld Nomenclature With
Old Pipe SizeNew Nomenclature with
New Pipe SizeMDB125B-FBAC-002 MDB125B-FBAE-002MDB250B2-FBAC-002 MDB250B2-FBAG-/002MDB250B2-FBAE-002 MDB250B2-FBAI-002MDB250BR2-FBEA-002 MDB250BR2-FBEB-002MDB300BR3-FBEA-002 MDB300BR3-FBEB-002MDB350B3-FBAC-002 MDB350B3-FBAG-002MDB350B3-FBAE-002 MDB350B3-FBAI-002MDB350BR3-FBEA-002 MDB350BR3-FBEB-002MDB500B4-FBAC-002 MDB500B4-FBAG-002MDB500B4-FBAE-002 MDB500B4-FBAI-002MDB500BR4-FBEA-002 MDB500BR4-FBEB002 MDB125C-FBAC-002 MDB125C-FBAG-002MDB125C-FBAE-002 MDB125C-FBAH-002MDB125CR-FBEB-002 MDB125CR-FBED-002 MDB075D-ABAB-002 MDB075D-ABAE-002MDB075D-ABHA-002 MDB075D-ABHB-002MDB075DR-ABAB-002 MDB075DR-ABAD-002MDB075DR-ABHA-002 MDB075DR-ABHB-002MDB100D-ABAB-002 MDB100D-ABAE-002MDB100D-ABHA-002 MDB100D-ABHB-002MDB100DR-ABAB-002 MDB100DR-ABAD-002MDB100DR-ABHA-002 MDB100DR-ABHB-002MDB125D-FBAC-002 MDB125D-FBAE-002MDB125D-FBHA-002 MDB125D-FBHB-002MDB125DR-FBAC-002 MDB125DR-FBAD-002MDB125DR-FBHA-002 MDB125DR-FBHB-002MDB150D1-FBAC-002 MDB150D1-FBAE-002MDB150D1-FBHA-002 MDB150D1-FBHB-002MDB150DR1-FBAC-002 MDB150DR1-FBAD-002MDB150DR1-FBHA-002 MDB150DR1-FBHB-002MDB200D2-FBAC-002 MDB200D2-FBAF-002MDB250D2-FBAC-002 MDB250D2-FBAF-002MDB300D2-FBAC-002 MDB300D2-FBAF-002MDB400D4-FBAC-002 MDB400D4-FBAF-002MDB500D4-FBAC-002 MDB500D4-FBAF-002
OYL MANUFACTURING
COMPANY SDN. BHD.A Member of the Hong Leong Group Malaysia
TECHNICAL BULLETIN
O.Y.L. MANUFACTURING COMPANY SDN. BHD.(112531-W)Jalan Pengapit 15/19, P.O. Box 7072, 40702 Shah Alam, Selangor Darul Ehsan, Malaysia.Tel : 603-55194922 (Gen. Line), 55194707, 55192396, 55192082, 55192493, 55194502 & 55106971 Telex: MA 338521 OYL Fax : 603-55106980,55101567, 55103760.
Outdoor Unit
Old Nomenclature WithOld Pipe Size
New Nomenclature withNew Pipe Size
MMC125B-FBAO-002 MMC125B-FBAR-002MMC125B-PBAE-002 MMC125B-PBAF-002MMC125B-QBAE-002 MMC125B-QBAF-002MMC125BR-FBEA-002 MMC125BR-FBEC-002MMC125BR-FBEI-002 MMC125BR-FBEJ-002 MMC075D-FBAD-002 MMC075D-FBAF-002MMC075DR-FBAB-002 MMC075DR-FBAD-002MMC075DR-FBAC-002 MMC075DR-FBAE-002 MMC100D-FBAD-002 MMC100D-FBAF-002MMC100DR-FBAB-002 MMC100DR-FBAD-002MMC100DR-FBAC-002 MMC100DR-FBAE-002 MMC125D-FBAD-002 MMC125D-FBAF-002MMC125DR-FBAB-002 MMC125DR-FBAD-002MMC125DR-FBAC-002 MMC125DR-FBAE-002 MMC150D-FBAD-002 MMC150D-FBAG-002MMC150D-FBAE-002 MMC150D-FBAH-002MMC150DR-FBAB-002 MMC150DR-FBAD-002MMC150DR-FBAC-002 MMC150DR-FBAE-002