GREENSTAR CDi CLASSIC ErP. 29CDi CLASSIC ErP (LPG). 34CDi CLASSIC ErP (LPG). 38CDi CLASSIC ErP (LPG). 42CDi CLASSIC ErP (LPG). INSTALLATION COMMISSIONING & SERVICING INSTRUCTIONS. THIS MANUAL IS PRINTED ONTO 80GSM PAPER AND HAS A FRONT COVER AND BACK COVER OF 210 GSM CARD.